Overview
John Sirak is a Thoracic Surgeon and a General Surgeon in Lima, Ohio. Dr. Sirak is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Aortic Valve Stenosis, Arterial Embolism, Necrosis, Transcatheter Aortic Valve Replacement (TAVR), and Heart Bypass Surgery. Dr. Sirak is currently accepting new patients.
His clinical research consists of co-authoring 12 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- HMO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
Locations
830 W High St, Suite 207, Lima, OH 45801
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Errol Britto is a General Surgeon in Springfield, Ohio. Dr. Britto is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Peptic Ulcer, Primary Intestinal Lymphangiectasia, Meige Disease, and Lymphangiectasis. Dr. Britto is currently accepting new patients.
Lima Memorial Professional Corporation
Ronald Pohl is a Thoracic Surgeon and a Vascular Surgeon in Lima, Ohio. Dr. Pohl is rated as a Distinguished provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Thoracic Aortic Aneurysm, Carotid Artery Disease, Arterial Embolism, Carotid Artery Surgery, and Heart Bypass Surgery. Dr. Pohl is currently accepting new patients.
Adams County Memorial Hospital
Mark Ranzinger is a General Surgeon and an Emergency Medicine provider in Decatur, Indiana. Dr. Ranzinger is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. His top areas of expertise are Cellulitis, Peptic Ulcer, Necrosis, Colostomy, and Hernia Surgery. Dr. Ranzinger is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Aortic Valve ReplacementDr. Sirak isAdvanced. Learn about Aortic Valve Replacement.
- Aortic Valve StenosisDr. Sirak isAdvanced. Learn about Aortic Valve Stenosis.
- Heart Bypass SurgeryDr. Sirak isAdvanced. Learn about Heart Bypass Surgery.
- Heart Valve RepairDr. Sirak isAdvanced. Learn about Heart Valve Repair.
- Transcatheter Aortic Valve Replacement (TAVR)
- Experienced
- Aortic DissectionDr. Sirak isExperienced. Learn about Aortic Dissection.
- Aortic RegurgitationDr. Sirak isExperienced. Learn about Aortic Regurgitation.
- Arterial EmbolismDr. Sirak isExperienced. Learn about Arterial Embolism.
- Cardiogenic ShockDr. Sirak isExperienced. Learn about Cardiogenic Shock.
- Cystic Medial Necrosis of AortaDr. Sirak isExperienced. Learn about Cystic Medial Necrosis of Aorta.
- GastrostomyDr. Sirak isExperienced. Learn about Gastrostomy.